Titanattus euryphaessa,

Bustamante, Abel A. & Ruiz, Gustavo R. S., 2017, Systematics of Thiodinini (Araneae: Salticidae: Salticinae), with description of a new genus and twelve new species, Zootaxa 4362 (3), pp. 301-347: 341-343

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Titanattus euryphaessa

sp. nov.

Titanattus euryphaessa  sp. nov.

Figs 8LView FIGURE 8, 30View FIGURE 30

Note. This species is mentioned as “ Titanattus  sp. B” in Ruiz & Maddison (2015). Type material. Male holotype ( MPEG 34603View Materials) from Várzea Piranha (02°12'36.1"S, 56°07'20.7"W), Juruti, Pará, Brazil, 05.VIII.2010, N.C. Bastos leg.GoogleMaps 

Additional material examined. ECUADOR: Napo: Estación Biológica Jatun Sacha (1.067°S, 77.617°W), 400 m elev.: 1♂ (MRB030), 21–24.VII.2004, Maddison, Agnarsson, Iturralde & Salazar leg. (UBC-SEM); 1♂ (d170) (UBC-SEM).GoogleMaps 

Etymology. The specific name is a noun in apposition in reference to Euryphaessa (also known as Theia, Théa or Thia), the Titaness of sight and the shining light of the clear blue sky.

Diagnosis. Males differ from those of the other species of this genus by having a robust, hooked embolus ( Fig. 30DView FIGURE 30).

Description. Male (holotype). Total length: 3.65. Carapace 1.61 long, 1.27 wide, 1.04 high. Ocular quadrangle 1.00 long. Anterior and posterior eye row 1.04 wide. Chelicera paturon with three promarginal teeth and four retromarginal teeth. Length of femur: I 1.21, II 1.04, III 0.94, IV 1.15; patella + tibia: I 1.69, II 1.32, III 1.15, IV 1.38; metatarsus + tarsus: I 1.17, II 1.04, III 1.15, IV 1.32. Leg formula: 1 423. Leg spination: femur I d1- 1-1, p1di, r0; II d1-1-1, p1di, r1di (r0 right); III ‒IV d1-1-1, p1di, r1di; patella I 0; II ‒III p1, r0; IV p1, r0 (p0, r1 right); tibia I p1di, r0, v2 a-0-2a-2; II p1di, r0, v1 r-2a-2; III p0-1-0, r0-1-0, v1 pdi; IV p0-1-0, r0-1-0, v2 di; metatarsus I ‒II v2-2; III p2di, r0, v0; IV p2di (p1di right), r1di, v0. Palp ( Figs 30D ‒30GView FIGURE 30): tibia wider than long; RTA triangular; RvTA poorly developed; short embolus with a robust base. Color in alcohol: carapace dark brown, abdomen white with a dark marking centrally on the dorsum; venter pale. Legs with striped pattern ( Figs 30A ‒ 30CView FIGURE 30).

Female. Unknown.

Distribution. Known from Brazil and Ecuador.

Natural history. The specimens from Ecuador were collected associated to disturbed areas.